@book{texbook,
    author =     "Donald~E. Knuth",
    title =      "The \TeX{}book",
    month =      "Apr",
    year =       "1996",
    pages =      "28--40",
    doi =        "http://www-old.ics.uci.edu/pub/c2/publications.html",
};
@book{manual,
    author =     "Nenad Medvidovic and Richard N. Taylor and
		  E. James Whitehead Jr.",
    title =      "Formal Modelling of Software Architectures at
		  Multiple Levels of Abstraction",
    booktitle =  "Proceedings of the California Software Symposium",
    month =      "Apr",
    year =       "1996",
    pages =      "28--40",
    doi =        "http://www-old.ics.uci.edu/pub/c2/publications.html",
}

@book{aaa1994,
    title =	"xxx",
    edition = 	"xxx",
    author =	"aaa",
    publisher =	"xxx",
    year =	"1994",
    isbn =	"x-xxx-xxxxx-x",
}

@inproceedings{bbb1996,
    author =     "bbb",
    title =      "xxx",
    booktitle =  "xxx",
    month =      "Apr",
    year =       "1996",
    pages =      "28--40",
    doi =        "http://xxx.xxx.xxx.xxx/xx/xx/xxx.html",
}
@article{sunqi,
    author =        "ccc",
    title =         "xxx",
    journal =       "Axxxx",
    volume =        "1",
    number =        "1",
    year =          "2002",
    issn =          "xxxx-xxxx",
    pages =         "2--57",
    doi =           "http://xxx.xxx.xxx/xxx/xxx.xxx",
    publisher =     "xxxx",
}
